Mounts and pack horses of the 5th Cavalry Regiment jump barriers and run across a flat terrain at Fort Clark in Texas, U.S.

U.S. 5th Cavalry Regiment at Fort Clark in Texas, United States. Mounts and pack horses of the 5th Cavalry Regiment jump a barrier. A soldier on horseback. A horse without a rider near him. The horses run across a flat terrain. The regiment marches led by a horseman.